77870416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1181}}^1$

素因数の和:1519

約数の個数: 40

約数和(自身を含む): 163130184

約数和(自身を除く): 85259768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317, 634, 1181, 1268, 2362, 2536, 4121, 4724, 5072, 8242, 9448, 15353, 16484, 18896, 30706, 32968, 61412, 65936, 122824, 245648, 374377, 748754, 1497508, 2995016, 4866901, 5990032, 9733802, 19467604, 38935208, 77870416]

約数ペア:

[(1, 77870416), (2, 38935208), (4, 19467604), (8, 9733802), (13, 5990032), (16, 4866901), (26, 2995016), (52, 1497508), (104, 748754), (208, 374377), (317, 245648), (634, 122824), (1181, 65936), (1268, 61412), (2362, 32968), (2536, 30706), (4121, 18896), (4724, 16484), (5072, 15353), (8242, 9448)]